Home / 156,038.40-234,057.60-124,934.40

Finding the Fourth Proportional to 156,038.40, 234,057.60 and 124,934.40

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Solution

The fourth proportional to 156,038.40, 234,057.60 and 124,934.40 is: 187,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,038.40 : 234,057.60 = 124,934.40 : x
  2. Step 2: Convert to fraction form
    156,038.40/234,057.60 = 124,934.40/x
  3. Step 3: Cross multiply
    156,038.40x = 234,057.60 × 124,934.40
  4. Step 4: Simplify right side
    156,038.40x = 29,241,845,821.44
  5. Step 5: Solve for x
    x = 29,241,845,821.44/156,038.40
  6. Step 6: Final answer
    x = 187,401.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.